# define dendrogram object to play with:
hc <- hclust(dist(USArrests[1:3, ]), "ave")
dend <- as.dendrogram(hc)
itself <- function(x) x
dend <- dendrapply(dend, itself)
unclass(dend) # this only returns a list with
# two dendrogram objects inside it.
str(dend) # this is a great way to show a dendrogram,
# but it doesn't help us understand how the R object is built.
str(unclass(dend)) # this is a great way to show a dendrogram,
# but it doesn't help us understand how the R object is built.
unclass_dend(dend) # this only returns a list
# with two dendrogram objects inside it.
str(unclass_dend(dend)) # NOW we can more easily understand
# how the dendrogram object is structured...
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